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Segment Data - Geographic Sales Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2014
External Sales [Abstract] |  |  |
Total External Sales | $ 2,098,436 | $ 2,647,195 | $ 2,837,190
Total Assets [Abstract] |  |  |
Assets | 2,368,793 | 2,849,529 | 3,868,086
UNITED STATES |  |  |
External Sales [Abstract] |  |  |
Total External Sales | 897,399 | 1,176,622 | 1,198,541
Total Assets [Abstract] |  |  |
Assets | 1,075,330 | 1,338,594 | 1,842,453
GERMANY |  |  |
External Sales [Abstract] |  |  |
Total External Sales | 334,366 | 442,009 | 511,209
Total Assets [Abstract] |  |  |
Assets | 327,679 | 394,491 | 538,661
CHINA |  |  |
External Sales [Abstract] |  |  |
Total External Sales | 210,124 | 246,953 | 248,212
Total Assets [Abstract] |  |  |
Assets | 233,200 | 274,774 | 341,949
ITALY |  |  |
External Sales [Abstract] |  |  |
Total External Sales | 69,821 | 85,530 | 107,511
Total Assets [Abstract] |  |  |
Assets | 50,352 | 94,978 | 178,141
FRANCE |  |  |
External Sales [Abstract] |  |  |
Total External Sales | 56,264 | 59,772 | 63,473
UNITED KINGDOM |  |  |
External Sales [Abstract] |  |  |
Total External Sales | 50,723 | 70,600 | 105,041
Total Assets [Abstract] |  |  |
Assets | 48,507 | 71,342 | 79,657
INDIA |  |  |
External Sales [Abstract] |  |  |
Total External Sales | 77,934 | 85,193 | 81,455
Total Assets [Abstract] |  |  |
Assets | 91,544 | 97,463 | 94,897
CANADA |  |  |
External Sales [Abstract] |  |  |
Total External Sales | 55,812 | 73,912 | 78,163
Total Assets [Abstract] |  |  |
Assets | 57,174 | 60,492 | 133,481
Other |  |  |
External Sales [Abstract] |  |  |
Total External Sales | 345,993 | 406,604 | 443,585
Total Assets [Abstract] |  |  |
Assets | 295,509 | 323,256 | 393,919
SWITZERLAND |  |  |
Total Assets [Abstract] |  |  |
Assets | $ 189,498 | $ 194,139 | $ 264,928

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